Data centers

Colt Data Centre Services data centers in Japan

6 facilities in this directory. Specifications are based on public sources.

Colt Data Centre Services · Inzai City, Chiba Prefecture

Colt Inzai 1 Data Centre

Facility 1 on the Inzai campus. IT power 8 MW, white space 4,000 m2.

Rack / cabinet capacity
Not verified
Rack power
IT Power 8 MW
Cooling
Not verified

Operation announced · Checked 2026-09-23

Colt Data Centre Services · Inzai City, Chiba Prefecture

Colt Inzai 2 Data Centre

An operational 15MW hyperscale facility in Inzai City.

Rack / cabinet capacity
Not verified
Rack power
15MW
Cooling
N+1 cooling, wall supply and return air plenum

Operation announced · Checked 2026-09-23

Colt Data Centre Services · Inzai City, Chiba Prefecture

Colt Inzai 3 Data Centre

A 27MW facility in Inzai City that began service in 2020, featuring 8,000 sq m of white space.

Rack / cabinet capacity
Not verified
Rack power
27MW (6.75MW per floor, 3.375MW per hall)
Cooling
Chilled water cooling + CRAH

Operation announced · Checked 2026-09-23

Colt Data Centre Services · Inzai City, Chiba Prefecture

Colt Inzai Data Centre 4

Hyperscale facility in Inzai City where Phase 1 commenced operations in February 2025.

Rack / cabinet capacity
Not verified
Rack power
Phase 1: 4.8MW operational; approximately 20MW at completion
Cooling
CRAH and chilled-water cooling.

Operation announced · Checked 2026-09-23

Colt Data Centre Services · Seika-cho, Soraku-gun, Kyoto Prefecture

Colt Keihanna Data Centre

An operational hyperscale facility in Keihanna Science City. Current nominal capacity following completion of phase 2 is 45MW.

Rack / cabinet capacity
Not verified
Rack power
45MW (45.9MW in opening release)
Cooling
N+1 water-cooled air conditioning + wall-blow air conditioning

Operation announced · Checked 2026-09-23

Colt Data Centre Services · Koto Ward, Tokyo

Colt Shiohama Data Centre

Current Tier 3-equivalent data center in Koto Ward with 5.6MW IT power.

Rack / cabinet capacity
Not verified
Rack power
IT power 5.6MW
Cooling
Air-cooled system (detailed cooling method not verified on public page).

Operation announced · Checked 2026-09-23